CCSM4 model output prepared for CMIP5 pre-industrial control

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/va_Amon_CCSM4_piControl_r1i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 pre-industrial control
location	/shared/cmip5/data/piControl/atmos/mon/Amon/va/NCAR.CCSM4/r1i1p1
tags	gridded,global,model,monthly
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/va_Amon_CCSM4_piControl_r1i1p1.yaml
last updated	2013-06-14

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, plev: 17, time: 6012)
Coordinates:
  * time       (time) float64 2.917e+05 2.917e+05 ... 4.745e+05 4.745e+05
  * plev       (plev) float64 1e+05 9.25e+04 8.5e+04 7e+04 ... 3e+03 2e+03 1e+03
  * lat        (lat) float64 -90.0 -89.06 -88.12 -87.17 ... 88.12 89.06 90.0
  * lon        (lon) float64 0.0 1.25 2.5 3.75 5.0 ... 355.0 356.2 357.5 358.8
Dimensions without coordinates: bnds
Data variables:
    time_bnds  (time, bnds) float64 dask.array<chunksize=(600, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(600, 192, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(600, 288, 2), meta=np.ndarray>
    va         (time, plev, lat, lon) float32 dask.array<chunksize=(600, 17, 192, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                piControl
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG Vl SS Ds SA BC MD OC Oz AA
    parent_experiment_id:         N/A
    parent_experiment_rip:        N/A
    branch_time:                  0.0
    contact:                      cesm_data@ucar.edu
    references:                   Gent P. R., et.al. 2011: The Community Clim...
    initialization_method:        1
    physics_version:              1
    tracking_id:                  2600130d-44be-4b15-9672-5e5876a102ef
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.1850.track1.1deg.006
    cesm_repotag:                 ccsm4_0_beta23
    cesm_compset:                 B1850TR1CN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on copper.cgd.ucar.edu at 20111128...
    processing_code_information:  Last Changed Rev: 468 Last Changed Date: 20...
    product:                      output
    experiment:                   pre-industrial control
    frequency:                    mon
    creation_date:                2011-11-28T20:59:23Z
    history:                      2011-11-28T20:59:23Z CMOR rewrote data to c...
    Conventions:                  CF-1.4
    project_id:                   CMIP5
    table_id:                     Table Amon (26 July 2011) 976b7fd1d9e1be31d...
    title:                        CCSM4 model output prepared for CMIP5 pre-i...
    parent_experiment:            N/A
    modeling_realm:               atmos
    realization:                  1
    cmor_version:                 2.7.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- plev: 17
- time: 6012

Coordinates: (4)

time
(time)
float64
2.917e+05 2.917e+05 ... 4.745e+05
bounds :
time_bnds
units :
days since 0001-01-01 00:00:00
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([291650.5, 291680. , 291709.5, ..., 474423.5, 474454. , 474484.5])
```

plev

(plev)

float64

1e+05 9.25e+04 ... 2e+03 1e+03

units :: Pa
axis :: Z
positive :: down
long_name :: pressure
standard_name :: air_pressure

array([100000.,  92500.,  85000.,  70000.,  60000.,  50000.,  40000.,  30000.,
        25000.,  20000.,  15000.,  10000.,   7000.,   5000.,   3000.,   2000.,
         1000.])

lat

(lat)

float64

-90.0 -89.06 -88.12 ... 89.06 90.0

bounds :: lat_bnds
units :: degrees_north
axis :: Y
long_name :: latitude
standard_name :: latitude

array([-90.      , -89.057594, -88.115181, -87.172775, -86.23037 , -85.287956,
       -84.345551, -83.403145, -82.460732, -81.518326, -80.575912, -79.633507,
       -78.691101, -77.748688, -76.806282, -75.863876, -74.921463, -73.979057,
       -73.036652, -72.094238, -71.151833, -70.209427, -69.267014, -68.324608,
       -67.382202, -66.439789, -65.497383, -64.554977, -63.612564, -62.670158,
       -61.727749, -60.785339, -59.842934, -58.900524, -57.958115, -57.015705,
       -56.073299, -55.13089 , -54.18848 , -53.246075, -52.303665, -51.361256,
       -50.41885 , -49.47644 , -48.534031, -47.591621, -46.649216, -45.706806,
       -44.764397, -43.821991, -42.879581, -41.937172, -40.994766, -40.052357,
       -39.109947, -38.167538, -37.225132, -36.282722, -35.340313, -34.397907,
       -33.455498, -32.513088, -31.570681, -30.628273, -29.685863, -28.743456,
       -27.801046, -26.858639, -25.916231, -24.973822, -24.031414, -23.089005,
       -22.146597, -21.204189, -20.26178 , -19.319372, -18.376963, -17.434555,
       -16.492147, -15.549738, -14.607329, -13.664922, -12.722513, -11.780105,
       -10.837696,  -9.895288,  -8.95288 ,  -8.010471,  -7.068063,  -6.125654,
        -5.183246,  -4.240838,  -3.298429,  -2.356021,  -1.413613,  -0.471204,
         0.471204,   1.413613,   2.356021,   3.298429,   4.240838,   5.183246,
         6.125654,   7.068063,   8.010471,   8.95288 ,   9.895288,  10.837696,
        11.780105,  12.722513,  13.664922,  14.607329,  15.549738,  16.492147,
        17.434555,  18.376963,  19.319372,  20.26178 ,  21.204189,  22.146597,
        23.089005,  24.031414,  24.973822,  25.916231,  26.858639,  27.801046,
        28.743456,  29.685863,  30.628273,  31.570681,  32.513088,  33.455498,
        34.397907,  35.340313,  36.282722,  37.225132,  38.167538,  39.109947,
        40.052357,  40.994766,  41.937172,  42.879581,  43.821991,  44.764397,
        45.706806,  46.649216,  47.591621,  48.534031,  49.47644 ,  50.41885 ,
        51.361256,  52.303665,  53.246075,  54.18848 ,  55.13089 ,  56.073299,
        57.015705,  57.958115,  58.900524,  59.842934,  60.785339,  61.727749,
        62.670158,  63.612564,  64.554977,  65.497383,  66.439789,  67.382202,
        68.324608,  69.267014,  70.209427,  71.151833,  72.094238,  73.036652,
        73.979057,  74.921463,  75.863876,  76.806282,  77.748688,  78.691101,
        79.633507,  80.575912,  81.518326,  82.460732,  83.403145,  84.345551,
        85.287956,  86.23037 ,  87.172775,  88.115181,  89.057594,  90.      ])

lon
(lon)
float64
0.0 1.25 2.5 ... 356.2 357.5 358.8
bounds :
lon_bnds
units :
degrees_east
axis :
X
long_name :
longitude
standard_name :
longitude
```
array([  0.  ,   1.25,   2.5 , ..., 356.25, 357.5 , 358.75])
```

Data variables: (4)

time_bnds

(time, bnds)

float64

dask.array<chunksize=(600, 2), meta=np.ndarray>

	Array	Chunk
Bytes	96.19 kB	9.79 kB
Shape	(6012, 2)	(612, 2)
Count	30 Tasks	10 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(600, 192, 2), meta=np.ndarray>

	Array	Chunk
Bytes	18.47 MB	1.88 MB
Shape	(6012, 192, 2)	(612, 192, 2)
Count	40 Tasks	10 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

dask.array<chunksize=(600, 288, 2), meta=np.ndarray>

	Array	Chunk
Bytes	27.70 MB	2.82 MB
Shape	(6012, 288, 2)	(612, 288, 2)
Count	40 Tasks	10 Chunks
Type	float64	numpy.ndarray

(time, plev, lat, lon)

float32

dask.array<chunksize=(600, 17, 192, 288), meta=np.ndarray>

standard_name :: northward_wind
long_name :: Northward Wind
units :: m s-1
original_name :: V,PS
comment :: V interpolated to standard plevs
original_units :: m/s
history :: 2011-11-28T20:59:22Z altered by CMOR: Converted units from 'm/s' to 'm s-1'. 2011-11-28T20:59:22Z altered by CMOR: Reordered dimensions, original order: plev lat lon time. 2011-11-28T20:59:22Z altered by CMOR: replaced missing value flag (-1e+32) with standard missing value (1e+20).
cell_methods :: time: mean (interval: 30 days)
associated_files :: baseURL: http://cmip-pcmdi.llnl.gov/CMIP5/dataLocation gridspecFile: gridspec_atmos_fx_CCSM4_piControl_r0i0p0.nc

	Array	Chunk
Bytes	22.61 GB	2.30 GB
Shape	(6012, 17, 192, 288)	(612, 17, 192, 288)
Count	30 Tasks	10 Chunks
Type	float32	numpy.ndarray

Attributes: (35)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
piControl
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG Vl SS Ds SA BC MD OC Oz AA
parent_experiment_id :
N/A
parent_experiment_rip :
N/A
branch_time :
0.0
contact :
cesm_data@ucar.edu
references :
Gent P. R., et.al. 2011: The Community Climate System Model version 4. J. Climate, doi: 10.1175/2011JCLI4083.1
initialization_method :
1
physics_version :
1
tracking_id :
2600130d-44be-4b15-9672-5e5876a102ef
acknowledgements :
The CESM project is supported by the National Science Foundation and the Office of Science (BER) of the U.S. Department of Energy. NCAR is sponsored by the National Science Foundation. Computing resources were provided by the Climate Simulation Laboratory at the NCAR Computational and Information Systems Laboratory (CISL), sponsored by the National Science Foundation and other agencies.
cesm_casename :
b40.1850.track1.1deg.006
cesm_repotag :
ccsm4_0_beta23
cesm_compset :
B1850TR1CN
resolution :
f09_g16 (0.9x1.25_gx1v6)
forcing_note :
Additional information on the external forcings used in this experiment can be found at http://www.cesm.ucar.edu/CMIP5/forcing_information
processed_by :
strandwg on copper.cgd.ucar.edu at 20111128 -135922.734
processing_code_information :
Last Changed Rev: 468 Last Changed Date: 2011-11-28 10:51:36 -0700 (Mon, 28 Nov 2011) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
pre-industrial control
frequency :
mon
creation_date :
2011-11-28T20:59:23Z
history :
2011-11-28T20:59:23Z CMOR rewrote data to comply with CF standards and CMIP5 requirements.
Conventions :
CF-1.4
project_id :
CMIP5
table_id :
Table Amon (26 July 2011) 976b7fd1d9e1be31dddd28f5dc79b7a1
title :
CCSM4 model output prepared for CMIP5 pre-industrial control
parent_experiment :
N/A
modeling_realm :
atmos
realization :
1
cmor_version :
2.7.1